Add forgotten documentation of param ipa-cp-recursive-freq-factor

Martin Liška has noticed that I forgot to document the recently added
parameter in the invoke.texi documentation.  This patch fixes it.

Tested by running make info and make pdf and examining the output.

gcc/ChangeLog:

2021-10-14  Martin Jambor  <mjambor@suse.cz>

	* doc/invoke.texi (Optimize Options): Add entry for
	ipa-cp-recursive-freq-factor.

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 03234c887dc0244bec13e6d329186d100db79218..64347b1ceba2c58deeeaf9f665aaa1e9c28ab8d0 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -14246,6 +14246,10 @@ Maximum depth of recursive cloning for self-recursive function.
 Recursive cloning only when the probability of call being executed exceeds
 the parameter.
 
+@item ipa-cp-recursive-freq-factor
+The number of times interprocedural copy propagation expects recursive
+functions to call themselves.
+
 @item ipa-cp-recursion-penalty
 Percentage penalty the recursive functions will receive when they
 are evaluated for cloning.